US4150137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyridylalkyl esters of 2-(p-isobutylphenyl)acetic acid and propionic acids and use
Assignee: Hisamitsu Pharmaceutical Co Inc
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Filing: 1977-10-25
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Granted: 1979-04-17
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Expires: 1997-10-25
Abstract
Abstract The present invention relates to phenylacetic acid ester derivatives of the following general formula: <IMAGE> wherein, R is selected from the group consisting of lower alkyl (other than ethyl) and substituted lower alkyl, and R' may be a hydrogen or methyl.
Inventors
- 👤 Kanji Noda
- 👤 Akira Nakagawa
- 👤 Yuji Ishikura
- 👤 Hiroyuki Ide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:56
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07C; C07C69/00; C07C69/612; C07D213/60; C07D213/61; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
57 words
A compound of the following formula: ##STR88## wherein, R is selected from the group consisting of lower alkyl containing up to 6 carbon atoms substituted with 1 to 3 substituents comprising pyridyl or pyridyl substituted at any position with chlorine, bromine, iodine or methyl; and R' is selected from the group consisting of a hydrogen and methyl.
Claim 2
Dependent Claim
57 words
A compound of the following formula: ##STR88## wherein, R is selected from the group consisting of lower alkyl containing up to 6 carbon atoms substituted with 1 to 3 substituents comprising pyridyl or pyridyl substituted at any position with chlorine, bromine, iodine or methyl; and R' is selected from the group consisting of a hydrogen and methyl.
Claim 3
Dependent Claim
49 words
A compound in accordance with claim 1 of the following formula: ##STR89## wherein, R is selected from the group consisting of lower alkyl containing up to 6 carbon atoms substituted with 1 to 3 substituents comprising pyridyl or pyridyl substituted at any position with chlorine, bromine, iodine or methyl.
Claim 4
Dependent Claim
52 words
A compound in accordance with the claim 1 of the following formula: ##STR90## wherein, R is selected from the group consisting of lower alkyl containing up to 6 carbon atoms which is substituted with 1 to 3 substituents comprising pyridyl or pyridyl substituted at any position with chlorine, bromine, iodine or methyl.
Claim 5
Dependent Claim
36 words
A compound in accordance with claim 1 wherein the pyridyl group of said pyridyl or substituted pyridyl radical is 2-pyridyl, 3-pyridyl or 4-pyridyl, and wherein said lower alkyl is substituted with only one of said substituents.
Claim 6
Dependent Claim
19 words
A method of treating inflammation comprising administering topically an anti-inflammatory amount of a compound in accordance with claim 1.
Claim 7
Dependent Claim
19 words
A method of treating inflammation comprising administering topically an anti-inflammatory amount of a compound in accordance with claim 4.
Claim 8
Dependent Claim
32 words
A method of treating a patient in need of an analgetic, antipyretic or anti-inflammatory agent comprising orally administering an analgetic, antipyretic or anti-inflammatory amount of a compound in accordance with claim 1.
Claim 9
Dependent Claim
32 words
A method for teating a patient in need of an analgetic, antipyretic or anti-inflammatory agent comprising orally administering an analgetic, antipyretic or anti-inflammatory amount of a compound in accordance with claim 4.
Claim 10
Dependent Claim
27 words
A method of alleviating symptoms of inflammation comprising orally or topically administering to an animal suffering such symptoms an anti-inflammatory amount of the compound of claim 1.
Claim 11
Dependent Claim
27 words
A method of alleviating the symptoms of pain which comprises orally administering to an animal suffering such symptoms an analgetic amount of the compound of claim 1.
Claim 12
Dependent Claim
29 words
A method of alleviating the symptoms of fever which comprises orally administering to an animal suffering such symptoms an antipyretic amount of the compound in accordance with claim 1.
References Cited (Backward Citations)
US3228831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-16 | 1982-10-16 | 1983-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-16 | 1986-10-16 | 1987-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-16 | 1990-10-16 | 1991-04-17 | $7700.00 | Window Closed / Lapsed |